Electric cash-register.



J. P. OLBAL.

ELEGTRIG CASH REGISTER. APPLICATION FILED MAR. 20, 1909.

982,938, Patent d Jan 31, 1911.

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J. .P. GLEALI ELECTRIC CASH REGISTER.

APPLIUATION FILED MAR. 20. 1909.

982,938. PatntedJaIL 31,1911.

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J. P. GLEAL.

ELECTRIC CASH REGISTER. APPLICATION FILED 111111.20, 190a.

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J. P. GLEAL.

ELEGTRIG DASH REGISTER. APPLICATION FILED MAILQO, 190B.

Patented Jan. 31,1911.

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counting elements comprising in the present UNITED STATES PATENT OFFICE.

JOSEPH P. CLEAL, OF TORONTO, ONTARIO, CANADA, ASSIGNOR TO THE NATIONALCASH REGISTER COMPANY, OF DAYTON, OHIO, A CORPORATION OF OHIO,(INCORPORATED Application filed March 20,

To all whom it may concern:

Be it known that I'JosnPIr P. CLEAL, a citizen of .the United States,residingat; Toronto, in the Province'of Ontario, Canada, have inventedcertain new and useful j Improvements in' "Electric Cash-Registers, ofwhich I declare the following to be a E full, clear, and exactdescription.

This inventionrelates to cash registers or accounting devices and'isintended to pro vide a mechanism of the class described in whichpractically all of the moving parts are electrically controlled, wherebythe 'ac-' case a printing device and a totalizer, may be situated in anydesired distance from the key board and transmitting mechanism. Theelectrically controlled mechanism as hereinset forth, has the advantageof being light operating, of being capable of quick action and beingpractically noiseless, together with the advantage of having a muchsmaller number of parts than the usual cash register, whereby a lowpriced machine may result.

Another object is to provide an improved distant printing and addingmechanism hav ing electrical connections therefrom to a transmittingdevice, whereby the accounting elements may be situated at points remotefrom the transmitting mechanism.

The invention comprises a plurality of sets of keys and a singletransmitting mech anism adapted to be brought under the control of eachof said banks of keys successively, and the further obj ectofsimplifying the construct-ion is thereby attained, inasmuch as one setof connections only is necessary between the transmitter and theaccounting mechanisms.

The printing mechanism comprises a single type carrier and a furtherobject of the construction is to provide for shifting this type carrierafter each positioning movement thereof under the control of one of thebanks of keys, to a position such that the succeeding positioningmovement thereof will provide for printing in another column whereby onetype carrier only may be employed in place of the series of typecarriers, which machines of this general type have heretofore foundnecessary.

A further object is to provide for the printing of zeros to the right ofa number, that is, in lower denominations in which no Specification ofLetters Patent.

ELECTRIC CASH-REGISTER.

Patented Jan. 31, 1909. Serial No. 484,709.

key is depressed, but Without. compelling I or the positioning movementof the printing wheel; if, A further object is to provide an improvedhaving a proper sequence of. opei'atioii,

whereby a check or receipt may' be' printed,

and finally severed from the 'carri movement of the transmitter checkfeeding and e arating echanism of the machine.

T object of mp ii i sjriiiia;aiea ti mechanism is attained by providinggi lj jii master gear or driyer, with; connections for shifting inaccordance the shiftf of the type c'arrier, ''pre vioii'sly referred to,thereby permitting the movement" of a. plu rality of totalizer elelne lgear.

form of embodiment o f whichgis hereinafter} described with reference tothe drawings" which accompany. and fforin part :of the specification.

Of said drawings Figure dia'g'rammatic view of the key board andtransmis sion mechanism. Fig. 2 1s a separate top plan of thetransmitter. Fig. 3 is a detail of the switch at the transmitter,controlling the denominational shifting of the type wheel. Fig. 4 is adiagrammatic view of the receiving part of the printing device servingto record the actuations of the trans mitter. Fig. 5 is a side elevationof the parts shown in Fig. 4. F lg. 6 is a diagram of the key boardshowing five banks of keys and the construction whereby the printing ofzeros in lower order banks is accomplished solely by the depression of akey in a higher bank Fig. 7 is a sectional 'view of a contact device forcontrolling the circuit including the platen magnet. Fig. 8 is asimplified explanatory diagram of the system as applied to one bank ofkeys. Fig. 9 is a diagram illustrating one arrangement of connectionsfor driving the totalizer in ac.- cordance with the printing mechanism.Fig. 10 is a detail View of'a totalizer element and the drivingmechanism therefor.

The construction described herein includes a plurality of manipulativedevices herein shown as a series of groups of keys and a singletransmitting mechanism adapted to one master. With these and incidentalview,

l feel-ii; I

be controlled by the shifting of certain con tacts so as to be broughtsuccessively under the control of the groups of keys. When the properkeys are depressed and the'main operating key adjusted, the transmittingmechanism will first move in accordance with the depressed key of theunits or lowest bank and will have its controlling mechanismsuccessively shifted so as to be positioned in accordance with thedepressed keys in each of the higher banks in order from lowest tohighest. The transmitting mechanism includes a rotary device comprisinga movable part including a' circuit closer and an additional elementwhich serves to control the actuating circuit for the distant printingand totalizing mechanism, whereby the printing element and the mastergear for the totalizer-a're'each adjusted in accordance with themovement of the transmitter.

The keys serve to "place obstructions at va-.

rio'u's points in the path of the said movable part, the result beingthat when the movable part in its rotation strikes the obstruction, itis moved in such a manner that, the

circuit closer carried therewith, closes a circuit to the platen magnet,and, it being remembered that the printing element has set to'the properposition,

meanwhile been an impression is then made on the record materialof theamount by which the print{ ingelem'ent'has been moved.' After thepositioning movement the rotary transmitter is returned to its normal orzero position and the control thereof is then shifted to the next bankof keys, this shifting also serving to move the printing element and thetotalizer mas ter gear in sucha manner that they also are adapted torespectively print and add in the next higher column. This operation isre peated for each bank in which a key has been depressed and when allof-the banks have in succession caused a control of the rotarytransmitter, the printing wheels and master gear of the totalizer arethen returned to their normal zero position, in which they control theunits place both in the printing and the adding 'mechanism. After theprinting and adding in the highest denominations have taken place, amechanism is caused to operate which first feeds a check or receiptstrip on which the amount has been printed and finally severs it fromthe strip into a detached receipt.

In many operationsof the machine less than all of the banks of keys willbe employed and under these conditions the connections are such that ifa key in a. higher bank has been depressed, no-movement of the rotarytransmitter or of the printing wheel or of the master gear for thetotalizer willtake place, but in each bank a platen will be operated toprint a zero for that bank and the shifting mechanism will be broughtinto play, thereby causing a lateral shift of the printing element andthe master gear to the next higher bank, this operation being repeateduntil a bank in which a key has been depressed is reached.

lVith this general statement of the mode of operation the particulardescription may be entered upon, and reference will be first made toFig. 8 showing a simplifiedexplanatory diagram of the construction asapplied to one bank of keys. A considerarender the mo e of operationclear, and a further discussion of the additional elementsnecessitatedby the usev of aplurality of banks of keys will be giventhereafter. Fig. 8 shows a bank of keys 200 including'a 9 key 200, thekeys being adapted separately to close the contacts 28 when the keysfaredeing the key depressed may be employed. The keysiwhen depressed closethe. contacts 28 and 'one'jof 'a 'pluralit y offcireuits 30 is then madethrough a magnets 31, these magnets; being eight in number, none beingnecessary "1i connection walnut 9-key and being spaced equidistantlyaround the movable parts of the transmitter. The magpliing'ers' 32,1which whenf; the circuits: through the magnets re clo'sed, are caused tomove into the path of a .niovablepart 33 offthe rotary'gtransmitt'er,thzej said {part beranged to be given a complete rotation at eachoperation of the machine In order to give this complete rotation-orinvariablejexcursion to the transmitting mechanism,. a magnet 48 isprovided hav ng an armature 51, which armature carries a pawl 50engaging a ratchet 52 rigidly mounted to move with the disk 34. In Fig.8, the magnet 48 is shown as'conneeted to the main line wires 1 and 19by lead wires 48. and 48 and as having an interrupter 46 to permit arepeated movement of the armature 51. It willbe understood, however,that for the sake of simplicityin this diagram, the wires 48 and 48"have been shown as permanently connected to the main line wires, so thatif this construction were really employed, a continuous-movement ofarmature 51 and the rotary transmitter would result. In the otherfigures, however, a means for controlling the movement of armature 51 isshown. It was stated that the disk 34 and the movable part 33 were givena complete rotation at each operation and it remains to be disclosed howthis may be applied to furnish a difierential movement of the accountingelements. Also carried by disk 34 is a bell crank lever 238, one arm ofwhich is positioned to engage a notch in the-movable part 33. hen thedisk 34 in its rotation carries the arm 33 into engagement with thedepressed plunger 32, the arm 33 will be theretion of this diagram andthe description will nets'3l are each providedwith depressibleingnio'unted'on a disk 34, and being -arpressed. Any desired mechanism forretainby rocked around its pivot pin 240, enough so that the latchingbell crank 238 may move'slightly under the action of the compressionspring 237 interposed between the lugs formed on the arm 33 and bellcrank 238 thereby to retain the arm 33 in its adjusted position.

Mounted loosely on the transmitter shaft 49 is a star shaped disk 49together with a serrated element or disk 53, these two elementsbeinggmovable together. When the latchingiarm 238 moves to latchingposition the other arm thereof will be withdrawn from the notches in thestar shaped disk 49, and this disk together with the serrated element 53may then be permitted to remain stationary, it being evident from thediagram that the; previous movement of the transmitting disk 34 hascarried with it the two serrated elements. Inasmuch as the point ofobstruction of armr33 depends on the key which haslbeen depressed, itwill be evidentthat ithis m'echanism provides for the properdilfei'e'n'tialtmovement 'of the printing element, it being necessarymerely to provide a circuit closer actuated by the serrated element- 53for driving the printing wheel. To

accomplish this function a pair of contacts 55 are provided which areadapted to be closed and opened by the serrations of wheel 53. These:contacts are connected to two wires, one numbered 58 running to mainwire 1, and the other numbered 59 running to magnet 61, and thence bywire 62 to main line 19 The magnet 61 is adapted to drive the type wheeland clearly will attract its armature 601 each time a serration of disk53 passes the contacts hen the two serrated elements are detached fromthe transmitting disk 34, the, printing wheel 56 which is driven fromarmature (-301 by a pawl 229 mounted thereon, has been set to a positionto print a number indicated by the depressed key 200. It then becomesnecessary to first print from the type wheel and later reset it tonormal or zero position to return it to sync-hronism with thetransmitting mechanism. To accomplish the first of these functions, thearm 33 is provided with a. contact piece 63 adapted to contact with tworings 64, which completely surround the rotating parts of thetransmitter and are electrically insulated from each other and-connectedrespectively through wires 67 and 93 to main line 1 and through wires68, pair of contacts 69 and wire 70 to the platen magnet 17, the currentthence passing over wire 18 to the other main line 19. Neglect for themeantime the function of contacts 69; it will be seen that when the arm33 strikes the depressed plunger, contact between the two rings 64 willthen be made by arm 63 and the circuit through magnet 17 then completed.This magnet'is provided with an armature 221 for actuating the rintinghammer 220 and will immediately force the hammer against the type wheelto take an impression therefrom on a record material, which is shown inthe other drawings. A momentary blow is, of course, only necessary forprinting, and it is then desired to reset the printing hammer. Toaccomplish this function is an object of the pair of contacts 69. henthe armature 221 is attracted to magnet 17 it engages a latch 208, whichnormally holds depressed the armature 223 of an automatic switch magnet97; The armature 223 is provided with a spring normally tending to raisethe armature and thereby break the pair of contacts 69, at the same timecausing contact of a pair of contacts 100. Itibeing remembered that thepair of contactsi69 are in the circuit for platen magnet 17,- it will beevident that the operation ofthe armature 221 of that magnet permits thespring to raise the armature 223 of the-automatic switch, therebybreaking COI1lZl0tS 69tlI1d deenergizing the platen magnet 17, so thatthe platen of printing hammer 220 immediately falls back to its normalposit-ion.

It will be remembered that the transmitting serrated elements includingthe disk 53' are detached from the driving disk 34 when a point has beenreached corresponding to the depressed key.

mechanism being independent of the trans-' mitter, and being in factcontrolled by the printing element itself, so that no matter whatcondition the transmitter was in, the printing element will neverthelessbe re stored to zero position. This provision of an independent.returning means accomplishes the important resultof providing asynchronizing device, which, at the end of each operation, willinvariably compel both the transmitter and the printing element to be insynchronism at that point. The returning mechanism for the printingwheel employs the same magnet 61 but a shunt circuit through the magnetis provided, this shunt including an interrupter 225 and a pair ofcontacts 228, which contacts are broken when the printing wheel 56 is innormal position but which are brought "together and remain togetherwhenever the printing element is out of such normal position. hen theplaten magnet 17 attracts its These parts are er'F-i mitted to remain inthat position-until athe aforesaid notches.

arn'iature 221, it will be remembered that the armature 223 of theautomatic switch is released and contacts 100 thereby closed. Thesecontacts are in the returning or synchronizing circuit and serve finallyto close the same, it being remembered that contacts 228 are engaged assoon as the printing element is out of normal position. This circuit isshown on Fig. 8 and includes main wire 1 and Wire 224 leading to theinterrupter 225 from which a. wire 226 leads to the pairsofcontacts 100.Returning, the wire 227- leads from the pair of contacts 100 to the pair228 from which a shunt wire, as shown, runs to the-regular printingmagnet circuit, returning to main line 19 by wire 62. It willbe clearthat this circuit is in shuntto the regular driving circuit for magnet61 and is closed-by the operation of the platen mechanism.) When thecircuit has been closed, the operation of the armature 601 moves theinterrupter 225 until the circuit is finally broken at contacts 228 bythe complete restoration of the printing wheel 56 to normal position.

The interrupter 225 is controlled by a bell crank comprising arms (301and 602, this bell crank having a projecting outer end adapted to beengaged and moved in one direction by a-pin on armature 601 and intheother direction by the compression spring 60st which is interposedbetween a part of the bell crank and the latching arm 603. Arm 602 ofthe bell crank is provided with twonotohes, as shown, in either of whichthedepending projection of arm (303 may rest; this arm being alsoprovided with a part positioned to be engaged by the pin on armature601. lVhenf the armature is attracted and moves toward the right in thisfigure, the pin thereon will engage and move arm 602 thereby depressingsaid arm enough tobreak the contact 225 and also that the projection oflatch 608 will engage one of This takes place at the extreme end of theattractive stroke of armature 601. When the circuit is broken at 225,the armature then moves away from the magnet, its pin engaging latchingarms 603 at the very end of the rearward stroke of the armature andpermitting the spring 604 to restore the original position of the parts,again making contacts 225. It will be seen that this provides afullstroke device compelling full movement of the armature lever andconsequently of the printing wheel 56, The mechanism shown in thisfigure has now been described, except that the armature 223 must berestored to its normal position before another operation may be given.To accomplish this function disk 207 is provided having a notch in whichone of a pair of contacts 93" is adapted to engage, this disk beingdriven by and rigidly connected to the transmitting disk 34.

It will be seen that in the normal position of the parts, contacts 93are connected, inasmuch as the notch in disk 93 is then adjacent one ofthe contacts, but, as soon as the transmitter starts to move, thecontact 93 is broken. One of these contacts 93 is connected to main line1 and the other through wire 94: is connected to a switch arm 610controlled by the armature 223. It will beremembered that as theimpression is taken from the printing wheel, armature 223 is permittedto rise, thus causing the switch arm 610 to engage a stationary contact95, from which a wire 96 runs to the shift mag net 97, main line 19'being reached from said magnet over the wire 98. In the normal positionof the parts the circuit for magnet 97 is broken between switch arm 610and sta tionary contact 95, so thatalthough contact 93 is closed, nocircuitv resultsn: tWhen, however, the armature 223 rises, the contacts610 and 95 are then closed, but this happens only when the transmitterisrotated-at least one step and therefore contact93 :willhave beenpreviously broken so that still no circuit results. When the transmitteris finally returned to normal position, the laststep of its movementcloses contacts 93 and as contact 610 then engages contact 95,;the cir--cuit through magnet 97 is completed and it is momentarily energized,thereby-drawing down its armature 223 and permitting latch 208 to snapback into position to retain 'the armature depressed. A secondspring-arm 610 is provided, so positioned as to retain the switch arm610 in contact making p0 sition until the armature 223 reaches itsattracted position, when the lower spring arm 610 is withdrawn so thatthe switch arm 610 may move away from contact 95. The mechanism is shownin this figure as controlled by an operating key 159 closing a pair ofcontacts 2 and in the other figures mechanism is shown for retainingthis key in depressed position until a complete op eration of themachine has been had.

It will be seen that the construction as described in this simplifieddiagram provides for a rotary transmitter having a movable partincluding a circuit closer 63 with magnet'plungers for obstructing themovable part in various differential positions, as controlled by thekeys 200. The movable part is not stopped, but is shifted so as to closethe printing circuit and is moved continuously until it again reachesits normal position, or, in other words, is given invariable excursionsat all operationsof the machine. Each step of movement given thetransmitter before the obstruction takes place is transmitted to theprinting element, but no movement of the transmitter after obstructionis transmitted, though the separate independent synchronizing mechanismis providedfor returning the printing wheel.

This mechanism is controlled by the auto matic switch magnet 97, whichis itself returned to normal position after all the other operationshave taken place.

of operation will generally'be clear and a reference to the specificconstruction in which a plurality of banks are employed. and in whichthe printing element is constructed to be shifted to print in diiiercntcolumns in accordance with the banks of keys, may be given.

As previously stated, the mechanism is so designed that the accountingelements comprising the recording device and the totalizer may be placedat any desired distance 'fromthe transmitting mechanism and key board.In view of this fact, the description may be divided along thestructural line indicated, and attention will first be given to thetransmit-ting mechanism and keyboard? Tlie'keyboard may be ofanyde'sirediformf and may include any desired number ofbanks or groups ofmanipulative device's. "*As shown in Fig. 6, five banks of keysmaybe'employed, but this may be increased' or diminished at pleasure bya merechange int-he number of connections. It is to be noted thatmechanism is provided whereby the printing of zeros to the right may beaccomplished, but superfluous zeros to the left will not be printed.This part of the-mechanism may be omitted' if desiredfand willvbeomitted during the first partof'the description. The keys 200, Figs.

'1 and 6) are arranged to shift a bar 23,

one" of such bars being provided for each bank of keys. The keys whendepressed may'be'retained in any desired way, no particular means beingherein shown, but it is necessary to retain them depressed in order thatthe bars 23 may be held in adjusted position, thereby closing thecircuit controlling contacts for the transmitter. The contacts 28 areadapted to be closed by the keys when depressed and are all conneeted inparallel in two separate respects. The main line wire 1, is connected toa bank selector indicated on Fig. l by the numeral 5 to which referencewill hereafter be made, this device providing for the suc ccssivccontrol of the transmitter by the respective groups of keys. The normalposition of the bank selector is shown in Fig. 4.

l l I and in this position, it will be seen that the leadwire 3 runnmgfrom main line 1 connects with a series of contacts it. 20 etc, one Ifor each bank of keys. The contact i is adapted to engage two othercontacts t and 4", from the first. of which runs a wire (I and from theother of which runs a wire 27, as shown on Fig. 4. The wire 27, see Fig.1, includes one of each pair of contacts 28 for the lower or unitsbankof keys, the other of the pair of contacts for said bank beingconnected to one ol' a set of wires 30, passing to the several magnets31 of the rotary t-ranz-ennttcr. From the magnets 31, a

i common wire shown on Fig. 1. leads to a \Vith this simplifieddescription, the mode 5 pair of contacts 36, on Fig. 1, from whence awire 37 connects througl'i a pair of" contacts 38 with the other mainline 19. Passing by the function of contacts 36 and 38, it will be seenthat the depression of any key in the units bank will energize theproper magnet 31, thereby attracting its armature and plunger 32, thesaid plunger being projected into the path of the rotary transmitter.The wire 6 leads from contact at", and is the lead wire for the drivingmagnet 48 of the rotary transmitter. It will be seen that this wireleads to a con tact 7, which is carried by an arm 25 having a projectionpositioned to be engaged by the arm 24, this latter arm being moved bythe key controlled plate or bar 23 so that when a units key isdepressed, the contact 7 will engage contact 4 3 'VVhen this contact ismade, the current passes from wire 6 through contacts 7* and Mae ridfrom thence over a wire 45'toan interrupter 46 carried by the armature51 of the driving magnet 48. From the interrupter, a Wire 47 leads tomagnet 48 from whence the return circuit is over wire 35, as waspreviously described. It will be evident from this description that thedepression of a units key both energizes the proper one of thetransmitter magnets 31 and completes acircuit through the driving magnet48 for the transmitter, it being assumed that operating key 159, on Fig.1, has been depressed. The tens bank of keys which is the upper bank inFig. 1, may be depressed at the same time as is the units bank, but nocircuits will be made thereby, even if the operating key 159 isdepressed, inasmuch as the bank selector 5 does not at this time connectcontact 20 with contacts 20 and 20", this being :u-complishcd only afterthe operation of the transmitter under control of the units bank ofkeys.

The previous description of the transmit tor need not be repeated here.it being sutlicicnt to state in addition that a stationary projection236 is provided, which, if the S -key is depressed, will obstruct themovable part 33 carried by the rotary disk 34: of the transn'iitler whenthe printing wheel has been set to the 9-position. It will seen that nopair of contacts 28 is provided" for the 9-kcys, the sole function ofthe said keys being to close the transmitter driving contacts. Themovable parts of the rotary transmitter are mainly intended to make acomplete rotation at every operation, irrespective of what key isdepressed, and, for this reason, an auxiliary shunt circuit is providedwhich is closed by the first step of movement of the transmitter andwhich serves to then actuate the driving magnet 4-8 until a completerotation has been given. This function is provided by the contacts 92,one of which is connected to the main line -1 by wires 57 and 7:), onFig. l, the other of which is connected through wire 45 to the wire 45,which runs to interrupter 46. The contacts 92 are normally separated butare adapted to be brought together on the first step of movement of therotary transmitter, Which, for this purpose, is provided with a disk 207having a depression in which an insulated bar 93 is adapted to rest.This bar carries one of the contacts 92 and also carries one each ofpairs of contacts 92 and 11, which will be hereafter referred to. henmagnet 48 is first energized and the notched disk 207 given one step ofrotation, the shunt circuit through magnet 48, as previously described,will be closed, it being understood that from the interrupter 46 thecircuit is over wires 35 and 37, as previously described. This shuntcircuitdoes not depend on the key remaining depressed, nor anything elsein fact, except the continued closure of contacts 92 The resulttherefore is that the interrupter 46 continues to send impulses throughmagnet. 48 resulting in a complete rotation of the transmitter, afterwhich the notch in disk 207 is again under the insulated piece 93, whencontacts 92 will again be broken.

Although the rotary transmitter a complete rotation for each bank isgiven of keys,

the devices for controlling the printing elements and the totalizer arenevertheless permitted to stop when the movable part 38 en gages anobstruction formed by any one of the plungers 39. At the end of eachcomplete rotation of the transmitter, mechanism hereinafter describedserves to move the bank selector 5 so as to connect contacts 20, 20 and20 for permitting a control of the transmitter by the tens bank of keysin its turn. hen a tens keyhas been depressed and the selector 5 movedto the tens position, contact 22 on Fig. 1 will then move to engagecontact 22*. From contact 20 a wire 21, corresponding to wire (3, leadsto the 0011- tact 22 for the tens bank and a wire 91, corresponding infunction to wire 27, leads to the parallel contacts 28 closed by thetens keys. It will be seen from Figs. 1 and (3 that the other of thepair of contacts 28 leads in parallel for all the banks through thewires 30 to the rotary transmitter magnets. Contact 22 is also connectedto wire 45 for driving the transmitter and it will be seen that whenselector 5 engages contact 20 a second complete rotation of the rotarytransmitter will be given, but this time under the control of the tensbank of keys. It was stated that when movable part 33 of the transmitterengages the depressed plunger 32, that the latching arm 288 was rotatedenough to cause its other end to release the stepped disk shown on Fig.2, thereby permitting it and the serrated disk 53 to remain at. rest. Itis necessary again to connect these disks with the transmitter properfor the succeeding operation and this is provided for by astationary pinor roller 2423 which, as shown in Fig. 2, will engage a flange on armQ38 and force it into position connecting said disk with the latchingarm 238 and again unlatching the movable part 33. I

The operation of the transmitter would be the same for succeeding banksof keys, the mechanism providing for giving a rotation to thetransmitter from the units bank of keys first and then transferring thecontrol to each of the other banks in succession, a further completerotation to the transmitter being given after each transfer to a higherorder bank.

For the sake of simplicity, the printing mechanism is comprised in asingle type wheel and means is provided for shifting the type wheelaxially after each complete rotation of the transmitter, so that asucceeding operation will permit the printing in a higher'column. Theprovision of this mechanism provides a. very low priced construction,inasmuch as only one set of power wires for the type Wheels isnecessary, and no means for stopping the type wheel when it reaches itsposition, corresponding to the depressed key, is requisite, nor is anydifferential mechanism required for restoring the type wheel to itsnormal position.

It will be remembered that the serrated disk 53, on Fig. 1, is given adifferential movement at each rotation of the transmitter correspondingto the depressed keys, and this differential movement accomplishes thedifferential setting of the printing wheel. A pair of contacts 55 arearranged in position such that the serrations of disks 53 will connectthe said contacts once for each projection of the disk which passes. Oneof this pair of contacts is connected through wires 58 and 57 to mainline 1. while the other of the pair is connected through wire 59, onFig. 4, and a short wire (50 to the printing magnet (31 from whence awire 62 leads to the other main line 19. mechanism clearly provides fordifferentially setting the type wheel in accordance with the movement ofthe stepped disk 53, and when the movable part 33 of the transmitterobstructed by a depressed plunger 32. the contact arm 63 connects thepair of rings 64, which were previously described, to close the printingplaten circuit. These rings (54 are provided with projections 65 and 66,and projection 66 is connected to main line 1 through the wires 57 and58, previously referred to. From projection 65 awire 68, on Fig. 4,leads through a pair This scription of the said figure that on the re 4,leads to the switch arm 610, the circuit of contacts (59 and wire to theplaten I magnet 17. The result. is that when the rotary transmitter hasreached the dili'erential position depending on the key and the printingwheel also has been dill'erentially set, the platen 220 will be forcedagainst the i type wheel to take an impression on the check or receiptpaper 201.. The further movement of the type wheel to synchroi'iixj ingzero position is accomplished by the interrupter 225 'thrown intooperation when 5 contact 100 is closed, on Fig. 4, by the move ment ofthe armature 223 of the automatic switch magnet 97. It will beremembered that the printing platen armature 221 trips the latch 208,which permits the armature 223 of this automatic switch magnet to closecontactslOO, the closing of which contacts completes the shunt circuitfor the printing magnet, this circuit including wire 224, connectedwithlead wire 3, on Fig. 4, the interrupter225, a wire 226, leading tocontacts 100, and a ,wire 227 leading from thence through a pair-ofcontacts 228 to the regular'printing magnet circuit wire 60. .The firststep of movement from normal zero position given" type wheel 56 closesthe contacts 228, as shown on Fig. 1, so that the printing wheelreturncircuit, including interrupterj225 will be completed until the printingwheel reaches zero position. The plunger 93 is not shown on Fig. 8,butit will be readily understood from the deturn of the rotarytransmitter to its normal position, the plunger 93 drops into a notch indisk 20?, whereupon the contact 92 is completed. Contact 92 is in thecircuit for the automatic switch magnet. 97 so thatthis magnet. isenergized when the transmitter reaches its zero position, this circuitinclud ing a wire 57 connected to main line 1, wire leading to one of apair of contacts 92 from the other of which a wire 94, on Fig.

from thence being through stationary coir tact 95, wire 96, switchmagnet 97 and wire. 98 back to main line 19. The completion of thiscircuit by the return of the rotary transmitter, draws down the armature22 thereby breaking contacts 100 which are in the I returning circuitfor the printing wheel. After each rotation of the transmitter and eachcorresponding rotation of the printing wheel. the printing wheel must beshifted laterally so as to print in the column of next higher order.This result is attained by the provision of a disk 73, shown in Figs. 3and 9, which is rigidly attached to the transmitter shaft 49 and isprovided with i two projections 72. These projections are so situatedthat near the end of the rotation of the disk they engage one of a pairof contacts 71 and connect the two said contacts twice. As shown on Fig.1, one of this pair ol' l-rmlnlzls is connected to wire T5, and so tomain line l, the other oi the contacts being connected to a wire ill,from whence the circuit passes, as shown on Fig.

through a wire 218 to the shift magnet 74. and from thence by wires 77and 770 to the shitting derice for the totalizer. returning over wires771 to main line. 19. It will thus be seen that at each rotation of thetransmitter two impulses are sent through shift magnet H. and thismagnetis utilized to shift the printing wheel. Referring to Fig. 5, thearmature 78 of this magnet 74 is pivoted at 79 and is provided with adownardly extending part 80 on which is a driving pawl 82 adapted toengage one of two oppositely arranged ratchet-s 83. These ratchets arerigidly mounted on a shaft 81 also rigidly carrying a segment gear 84which meshes with a gear 85 on a shift bar 86. Bar 86 is provided at oneend thereof with :1 depending bifurcated arm 87. The printing wheel 56is provided with a collar 88 in the groove of which'the bifurcation ofarm 87 rests. It will be seen from this description that the twoimpulses of magnet 74 will twice attract armature 78, thereby rotatingthe ratchets and moving the bar 86 and the printing wheel 56 so astoprint in the next higher column. The bank selector 5, on Fig. 4, is alsofast to shaft 81 audit will be seen that this mechanism provides foralso shifting the bank selector after each rotation of the transmitter,so that the next higher bank of keys may control the transmitteroperation.

It will now be clear from the preceding description that the generalobjects first stated are well attained by this construction. Thetransmitter is given a complete rotation at each operation under controlof each of the banks of keys, and, during each rotation thereof, theprinting wheel 56 is (litl erentiall positioned and an impression takentherefrom. Near the end of the rotation. the control of the transmitteris shifted to the next higher bank of keys and the printing wheel isalso shifted so as to print in the next higher column. After theoperation of the parts under control of the highest. hank of keys,mechanism yet to be described provides for feeding and separating thecheck and for restoring the printlng wheel to its lowest bank position,but, before describing these parts and certain contacts for preventingmisoperation, a shortdescription of the totalizer or registeringmechanism may be given. This registering or totalizer mechanism is shownmerely in diagram for the most part and many other forms of devicebesides that indicated maybe employed. 'With the construction shownaseries of totalizer wheels are employed having transfer devicesbet-ween them, and a single master gear is used with connections forboth rotating it differentially and for sliii'tzii'ig' it axially tobring' it. into operative. relation with any one, of the totalizerelements. As a ditl'erential ]1ltll'1l)(]'()l 'lHIPttlSCS are sent. tothe printing w heel magnet (31, advantage. may be taken of this fact todrive the master gear for the. totalizer. On Fig.

4-, the wires 590 and 591 are shown in the 1 printing magnet circuit andthese wires lead wheel are also added on the proper eleto a drivingmagnet 592 for a ratchet wheel 594 of the totalizer, as shown on Fig. 9.The i of magnet 592 15 arranged to armature 593 drive a ratchet wheeland will clearly more it; in synchronism with the printing wheel up tothe time that the printing impression is taken, though the circuit forreturning the printing wheel to normal position does not pass throughthe driving magnet 592. The ratchet wheel 594- is not mounted rigidlybut is splined on a shaft 860 on which the driving master gear 861 isrigidly mounted. The totalizer wheels 862 are arranged on a shaftparallel to shaft 860, which latter shaft is given an axial movement bya rack 8633 engaging the samc, this rack being driven by an armature 800of magnet 7 10, the circuit for which is in series with that; of magnet7 4. It will be remembered that two impulses pass through magnet 74 dueto the two projections 72 on the disk 78 for each rotation of thetransmitter, and as magnet 74 is in series therewith, being connectedthereto by wire 770 and 771. two impulses will thus be given to magnet740 for each rotation of the transmitter and the master gear 861, andshaft 860 will thereby be shifted so that the said gear is in operativerelation with the totalizer wheels of next higher order. The operatingpawl 593 for the driving ratchet 594 is mounted at one end of thearmature and plays between two pins projecting from the armature. As thearmature 593 is attracted by the magnet-592. the pawl 593 will engageone of the teeth of the ratchet wheel and move the latter one step. Asthe pawl completes its movement the upper side of it will contact withone of the pins and thereby prevent overthrow of the ratchet wheel 594and consequently the master gear 861.

A well known type of transfer between the wheels of the tot-alizer isshown in Fig. 10 and comprises a cam 1500 secured to the side of each ofthe wheels with which a roller 1501 mounted upon the upper end of an arm1502 engages. This arm is pivotally mounted upon a shaft 1503 locateddirectly beneath the totalizer shaft and is connected by a short sleeve1501 surrounding the shaft to a similar arm 1505 which carries a pawl1506 that engages with the teeth of a ratchet wheel 1507 secured to thewheels of next higher denomination. A coil spring 1507 keeps the roller1501 in engagement with its cam 1500 so as to insure a reciprocation ofthe arms 1502 and 1505 during a rotation of one of t'he'totalizcr wheels(see Fig. 9). This is a well known form of transfer and any otherdesired vi'orm may be substituted therefor. It will thus be seen that;the master gear of the totalizer moves in correspondence with. theprinting wheel during the dithirential movement so that the amountsprinted or set up by the printing ments of the totalizer.

To operate the feeding mechanism for the check and for separating thesame, magnets are employed, the circuits' for which are controlled bythe shifting mechanism for the type wheel, whereby when the fifth bankposition is reached, or the highest bank position where other banks areemployed, then the said feeding and separating mechanisms will beoperated. A pair of contacts 110, as shown in Fig. 1, are provided whichare adapted to be closed at each actuation of the printing hammer. Thecircuit for these contacts, however, includes a contact 109, which, inthe normal position of the printing Wheeland associated parts, isbroken, so that, dur ing nearly all operations of the printing hammer,the circuit including'contact 110, is not finally completed. VVhen'theprinting wheel reaches the highest bank position, the last movementthereof causes the pin 105, on bar 86, to engage a lever 106, againstwhich presses an insulated bar 107, carrying one each of three pairs ofcontacts. Wire 111, running from one of the contacts 110 connects with acontact 109. When the movement of the lever 106 takes place, the contact109 is connected to contact 109, and from this contact a wire 110 leadsto Wire 3 and so to main line 1. From this construction it follows thatwhen the printing wheel is in the highest bank position and contacts 109and 109 are connected, a circuit will be made for starting the magnetwhich drives the feeding device for the check strip. This circuitstarting from lead wire 3, on Fig. 5, runs through wire 110 contact109*, contact 109, wire 111, on Fig. 4, the pair of contacts 110, wire112, and wire 113 to an interrupter llt for the magnet. 110. From theinter-' rupter, a wire 115 leads to the magnet and from thence a circuitreaches main line 19 over wire As before stated, the printing hammerdrops immediately after its printing stroke so that this circuit isclosed only momentarily but theclosing thereof serves to throw in anauxiliary circuit for the said magnet 110.

The magnet 116 is provided with an armature 117 to which is connected alink 117*, having mounted thereon a pawl 118. This pawl 118 engages aratchet 119 for a feeding and electro roller for the check strip andcarries a peculiarly shaped projection 120, on the outer point of whichan insulated bar 121 is normally positioned, the said bar carrying oneeach of two pairs of contacts 36 and 122. The position shown in Fig. 4,is the normal position, and it will be seen that the first impulsethrough magnet 110 will rotate the ratchet 119 one tooth, therebycarrying the high point of projection 120 from in front of the plungeror insulating piece 121. The part 121 immediately moves toward the rightin Fig. 4, forced by the contact springs, thereby closing contact 122.From the lead- Wire 3, a wire 123 runs to one of the pair of contacts122, the other of the pair belng connected to wire 113 in the check feedmagnet circuit, so that after one impulse of magnet 116 is given, anauxiliary circuit includingwire 123 and the pair of spring contacts 122is made through this magnet,,and this circuit will cause a completerotation of the electro cheek roller 40 to cause the proper extent offeed of the check strip. As the feed roller 40 nears its home positionagain, projection 120 engages the insulated piece 121, breaking thecontact 122 and thereby causing the check feeding mechanism to remain inits normal position until a succeeding operation of the machine. Thismechanism provides for feeding a receipt and it will be seen that thecircuit through the magnet is closed only when the type wheel reachesthe highest bank position, and after the type wheel has been printedfrom in that position, though after the circuit for feed magnet 116 hasbeen closed, it retains its own circuit in operative condition until acomplete rotation has been made. After the check has been fed, it isdesired to separate the printed portion thereof, and an additionalmagnet is provided for this purpose, the circuit for which is controlledfrom the electro feeding device. A second feed roller 41, on Fig. 4, isgeared to the feed roller 40, as is common in cash registers, this feedroller 41 being provided with a projection 125 having a high point.

It will be seen that the projection 125 is normally under one of a pairof contacts 126 which are separated except for a 1nomentary contact atthe extreme end of the rotation of feed roller 41. hen this contact ismade, a circuit is momentarily closed through the knife cam magnet 128,this circnit running from lead wire 3, through wire 123, contacts 122,wire 113, interrupter 114, wire 115, wire 132 to the contacts 126, fromthence running over wire 131 to magnet 128, thence back to main line 19,over wire 127. One impulse of magnet 128 will therefore be given as theelectro and feeding mechanism nears its normal position, therebyattracting armature 138", which, through a link 691 carrying a pawl 692gives one step of rotation of a ratchet disk 133. This ratchetdiskcarries a cam 139, engaging a. roller 142 mounted on a bell crank lever140 and normally drawn against the cam by the spring 141. The bell cranklever 140 carries one blade 43 of a knife mechanism for cutting oil thecheck. A complete rotation of ratchet disk 133 first tensions spring 5141 by rocking the bell crank 140, and then, as the high point of thecam passes from in front of roller 142, the spring 141 may restore thebell crank lever and knife 43 to their normal positions, thereby cuttingoff the check. It was stated that a single impulse was sent throughmagnet 128 by the projection 125 of the electro roller 41, and the firststep of movement of the ratchet disk 133 serves to close a pair ofcontacts 135 by moving the insulating arm 138 carrying one of said pairthrough a notch, as shown, in disk 133. The first step of movement ofthis disk will thereby close contacts 135, and a shunt circuit isthereby made through the driving magnet 128, this circuit running frommain lead wire 3 by Wire 224 and 224 through the pair of contacts 135and thence over wire 137 to the interrupter 130 for magnet 128, so thatthis magnet is made operative until a complete rotation has been givenratchet disk 133, and therefore a complete operation of the knife cam.

\Vith the operation of the knife for cutting the check, the actuation ofthe machine is complete exceptfor the resetting of the totalizeractuating device and the printer wheel, and finally the release of themain operating key 159. After the printing for the highest bank and thecorresponding ad 190 dition has been made, the printing Wheel andtotalizer master gear must be reset to the units position. This isaccomplished by a contact device controlled by the knife cam, so thatduring the operation of the knife mechanism, the resetting referred to,takes place. As shown on Fig. 4, the knife cam disk 133 has integraltherewith a notched disk 143, the notches of which are adapted to permitconnection of a pair of contacts 144. I t will be seen from this figurethat a sufficient number of notches is provided to cause a plurality ofimpulses over the connectcd wires, these impulses passing through amagnet- 145, on Fig. 5, for the printing wheel, and through a returnmagnet 1450, shown on Fig. 9, for the totalizer master gear mechanism.On Figs. 1 and 5, the circuit for resetting the printer gear includes awire 150, running from lead wire 3, to magnet: 145, from whence a wire151 leads to the pair of contacts 144, the circuit reaching return mainline 19 over wire 152. On Fig. 9, this resetting circuit is shown asincluding the magnet 1450 together with the 1 magnet 145, so thereby toreset the totalizcr master gear 861 as well as the printing wheel 56. Tocause the resetting the magnets 145 and 1450 are rovided with armaturcs146 and 1400, which through links 147 to normal position by its and 1470operate pawls 148 and 1480 driving on the reverse ratchets on shafts 81and 810. The result of this construction is that the knife cam disk 133is rotated a plurality of impulses will be sent over the circuit,previously described, causing a succession of actuations of the tworesetting pawls and thereby restoring to normal position both theprinting wheel and the totalizer master gear 861.

As shown on Fig. 1, the operating key 159 is provided with a notch 158in which a locking lever 156 is held by the spring 157 when the key isdepressed. Latch 156 carries an armature for magnet 155, the circuit forthis magnet running from main line wire 1, over a wire 210 to the magnet155 from whence a wire 211, shown near the bottom of Fig. 4, runs to oneof a pair of contacts 154, the other of which is connected to main line19. This pair of cont-acts 154 is normally separated, but the knife camdisk 183 is provided with a projection 153, which at practically the endof the rotation of said disk, engages the bar 138 and depresses itenough to close contacts 154 momentarily. When this closure occurs themagnet 155 is energized, and the lever 1-56 thereby moved so that theoperating key may be restored spring.

The machine is complete asthus far described, but certain contacts forthe prevention of misoperations of various kinds are desirable, andthese may be next described. It will be remembered that it-was beforestated that it was desirable to provide means whereby superfluous zerosto the left of an operated bank would not be printed, but that zeros tothe right of an operated bank would be printed, whether a key in thatbank was depressed or not. This mechanism is not essential to theoperation, and its description has been therefore deferred until afterthe statement regarding the misoperation contacts.

The transmission circuit, as before stated, includes the pair ofcontacts 36, these being normally closed and thereby having no effect onthe transmitter circuit. It will be seen from Fig. 4, that this pair ofcontacts is open when the insulating arm 121 moves to the right, so thatany operation of the trans mitter while the check feeding device is inoperation, is prevented. The transmitter circuit also runs through thepair of contacts 38 near the bottom of Fig. 4, and this pair will beopen during the complete operation of the knife cam mechanism, so thatalthough ordinarily the operation of the transmitter is possible, itwill not be possible while the knife is being operated.

The platen circuit includes the pair of contacts 69 which are ordinarilyclosed, but are broken when the platen operates, by the release of theautomatic switch armature 223.

This circuit also includes the pair of com tacts 13, on Fig. 5, the pairof contacts 15 on this ligure, and a pair of contacts 11 on Fig. 1.Contacts 13 are arranged to be separated by a stepped rack 230, carriedby the printer wheel shifting bar 86, so that the platen circuit cannotbe completed when the printing wheel is out of position or while it isbeing moved from one position to the other. Contacts 15 in this circuitare closed except when the printing Wheel is in the fifth bank position,it being clear that no printing should take place in this positionunless a number has been registered on the keys; in which case, afurther means for operating the platen is provided. The pair of contacts11, on Fig. 1, are opened by the transmitter and therefore prevent anoperation of the platen magnet over this circuit when the transmitter isout of normal position. The utility of these latter two pairs ofcontacts will be evident when the devices for preventing the printing ofzeros, are described.

Turning now to the devices for preventing the printing of zeros. Thispart of the machine is best shown on Fig.6, and comprises certaincontacts controlled by the separate key banks, whereby zeros may beprinted even if the transmitter is .at normal position, provided a keyin the higher bank has been pressed. It will be seen from this figureand from Fig. 4, showing the bank selector and contacts,that each bankof keys is provided with a driving circuit wire for the transmitter.These banks beng'numbered on Fig. 6, respectively 6, 215 250, 251 and252, running to the banks from lowestto highest in the order named. Itwas stated in the previous description that when keys in either of thetwo lower banks were moved, the contacts 7 and 44, 22 and 22 wererespectively closed. All operations of the machine would not necessitatethe use of these" banks, and when not in use, means must be provided forcausing the shift of the type wheel and in most cases the printing ofzeros therefrom. For this purpose, banks are each provided withadditional contacts; that for the units bank being numbered 7 115 andfor the tens bank being numbered 9. In the normal position, contact 7engages contact 7, and contact 9 engages contact 22 through anintervening contact in this latter case.

Assume first that a key in the tens bank, but no units key has beendepressed. Under these conditions, when the operating key 159 isadjusted, the circuit is made over wire 6 to the contact 7 but theninstead of going 125 over contact 4 the circuit will lead throughcontact 7 and wire 212 to the pair of contacts 213, on Fig. 4, runningfrom thence over wire 214, on Fig. 5, to a pair of contacts 215 and fromthence over wire 216 to 130 the interrupter 217 of the shift magnet 74;.W'henkcys in the bank are depressed the shift magnet 74 is connectedtwice by the projection 72 of disk 73, but it will be seen that twoimpulses through magnet 7% may also be given over the circuit justdescribed, including the interrupter 217. Two impulses only will be sentthrough wire 71, inasmuch as the shaft 81, which is driven by the saidmagnet, carries hank selector 5, so :that the second of the-two impulseswill move the selector 5 from. engagement with contact 4 of-the unitsbank to engagement with contact of theitens bank, thereby breakingthe'circle irrespective of the interrupter 217. The zero vprinting inthis case will-,take place provided a key in the tens bankfhas beendepressed, inasmuch as the circuit over contact 7 is made also over wirebe seen that under these conditions, viz., the

depression of a key in the tens bank, but of no key in the units bank,that the zero will be printed in the units column, although no units keyis depressed. and the shifting mechanism will then immediately move theprinting 'wheel to the next higher position. Assuming further that a keyin the dollars bank andin the units bank, but no others,

are depressed, a zero will be printed in the tensbank but none in thefourth or fifth banks; The slide 23 for the dollars bank 'controls a setof contacts 760, 761, 762 and 763, and, as shown on Fig. 6, contacts761,

762 and 763 are normally connected, but, when the slide 23 moves to theleft of this figure, contact 761 will be engaged with contact 760 butdisengaged from the other two. Under these conditions, when the bankselector is in the units position, the circuits will be, as previouslydescribed, for the units and tens printing, the dollar printing takingplace in the usual way after the transmitter has set the printing wheelto the desired position. It will be noted however, that when the shiftfrom the third to the fourth bank takes place, thereby bringing the linewire 251 into the circuit,that although contact 771 for the fourth bankengages contact 77 2 and 7 7 3, nevertheless no circuit through theplaten .is made. From contact 772, wire 8 leads to cause thedenominational shift of the printing Wheel, while from contact 773, awire 776 leads to contact 783 for the fifth bank. In the operationassumed, no key in this bank is depressed and the circuit will be brokenat contact 783, so that, although the denomination shift from third tofourth bunk takes place, no printing occurs in the fourth bank, nor willit occur in the fifth hank unless a key in that bank is depressed.Assume noivthat a key in the fifth bank only is employed; it will beseen that zero will be printed in all four of the lower banks. The zeroprinting in the units and lens denomination takes place irrespective ofthe depresison of keys in higher banks, but when the bank selector isshifted to the third position, thereby bringing Wire 250 into thecircuit, no connection to the platen circuit, will be made exceptthrough the fifth bank contacts. At this point in the operation, viz.,when the bank selector en gages the third bank contacts, the circuitwill run through wire 250 to contact 761 for the third bank, runningover contact 763 and wire 76s to the short wire 765 in the If in thisfourth bank a key fourth bank. is depressed, contacts 7 7 1 and 775 willhave been engaged and the current may then pass from wire 764: tocontact 765, going from thence from contact 774 over wire 777 to thewire 10 for the platen magnet, so that if a key in the fourth bank hadbeen depressed, zero would be printed in the third bank position. If,however, no key in the fourth bank had been depressed, the current fromwire 76 1 passes over wire 765 and to the fifth bank by wire 776, fromwhence, remembering that contacts 783 and 782 are connected by adepression of a fifth bank key, the current runs over wire 10 to theplaten. It will thus be seen, however, that if a fourth or fifth bankkey is depressed, a zero will be printed in the third bank, although nokey in that bank has been operated. After the printing of Zero in thethird bank, the bank selector is shifted to connect the fourth bankdevices and the current then runs over wire 251 to contact 771. If a keyin the fourth bank has ,been depressed, contacts 770 and 771 areengaged, and the circuit to the transmitter made, but if no key in thefourth bank is depressed, the circuit from contact 771 runs over contact773 and wire 776 to the fifth hank contact 783, from whence, if a fifthbank key is depressed, the circuit through to the platen is made. Thusit follows that zero will be printed in the fourth bank although no keyin that bank is depressed, if the fifth bank key has been operated. henthe selector moves to the fifth bank position, the wire 253 is then incircuit and from contact 781, to which this wire is connected, a circuitincluding contact 780 is made to the transmitter, as usual. It will beseen that in any case zeros are printed for the units and tens banks inthe absence of the depression of keys in those or any other banks, butas to the third and fourth bank, Zeros will not be printed thereinunless keys in a higher bank are employed. It is also true that in thefifth bank no zeros will be printed unless a key in that bank isdepressed.

With the connections shown to cause a printing in the tens bank when theunits key is depressed, an auxiliary circuit is requn'ed,

shown on Figs. 4c and 6. If a units key is depressed, the circuit fromwire 6 includes contact 7, wire 8, running thereby to contact 8-" forthe tens bank. If no tens key is depressed, contact 8 engages contact753 from whence wire is intended to reach the platen circuit. This wire,however, is not connected directly to the platen circuit, but runs to apair of contacts 638 and back over wire 636 to the platenwire 10. Thesecontacts 688, as shown on Fig. 4:, are normally closed and are heldclosed until the selector 5 reaches the third bank position, by a cam637, so that, in either the units or tens position, contacts 638 areclosed, and the circuit referred to completed. For banks higher than thetens bank, this particular control is not desired, and therefore thecontacts 638 are separated when selector 5 reaches the third bankposition so that in this position zero will not be printed unless ahigher bank. key is employed.

It will be seen that the mechanism described is well adapted to attainthe objects first set forth. The single transmitter is brought under thecontrol of the banks of keys successively and is adapted to control themovement of the accounting devices comprising the printing wheel and thetotalizer mechanism, which wheel and mechanism are shifted foraccounting in different banks, as the control of the transmitter changesfrom one key bank to the next.

Many changes of construction may readily be made without departing fromthe spirit of the invention. The keys shown, are only one of many typesof manipulative devices which are known in the art, and which may besubstituted in place or" the particular type shown. The totalizer is ofa well known form, but is susceptible of many modifications, all comingwithin the general scope of the invention.

It will be seen that although both the totalizer and the printingmechanisms are shown, that either may be used without the addi-- tion ofthe other and the mechanism will operate in entirely the same manner,whether the totalizer or the printing device or both, are employed.

While the form of mechanism herein shown and described is admirablyadapted to fulfil the objects primarily stated, it is to be understoodthat it is not intended to confine the invention to the one form ofembodiment herein disclosed, for it is susceptible of embodiment invarious forms, all coming within the scope of the claims which follow.

What is claimed is as follows:

1. In an accounting machine, the combination with a type wheel of a keyboard, an electric circuit which is controlled by the key board andeffects rotation of the type wheel, automatic means for causing thecurrent to be controlled by different banks of keys successively, aplaten, means under the control of the keys of each bank for operatingthe platen when the type wheel has rotated certain degrees, and meansfor shifting the type wheel a regular amount in the direction of itsaxis after each rotation.

2. In an accounting machine, the combination with an accounting device,of a key board for the same, an electric circuit, a magnet in saidcircuit for operating the accounting device, and means controlled by thekey board for shifting the accounting device in an axial directionregular distances between each operation of the same.

3. In an accounting machine, the combination with manipulative devices,of a type wheel rotatable and axially shiftable and electricallycontrolled by the manipulative devices, means controlled by the typewheel for causing the shift of the type wheel in an axial directionafter each rotation of the type wheel, and means controlled by the typewheel for returning the wheel to its initial position after it has beenshifted a definite number of times.

4:. In an accounting machine, the combination with manipulative devices,of printing devices, magnets for operating the printing devices, saidmagnets being controlled by the manipulative devices, magneticallyoperated means for feeding a record material after each printingoperation, and mag netically operated means for then severing theprinted part of the record material from the remainder.

5. In an accounting machine, the combina tion with a key boardcomprising a plurality of banks of keys, of a type wheel, means forrotating the type wheel, a platen, an electric circuit controlled by thekey board, magnetic means in the circuit for operating the platen, meansfor automatically shifting the type wheel a regular distance after eachrotation of the same, said means also changing the circuit connectionsso that the circuit will be successively under the control of difierentbanks of keys.

6. In an accounting machine, the combination with a type wheel and meansfor rotating the same, a platen for the type wheel, an electric circuit,means included in the electric circuit for operating the platen, akeyboard which controls the electric circuit so that the platen may beoperated at any position of the type wheel and means for shifting thetype wheel in an axial direction after each operation of said platen.

7. In an accounting machine, the combination with a bank oi keys, of anelectrically driven transmitting member, given excursions under control01'' said keys, a plurality of plunger-s arranged adjacent saidtransmitting member, means controlled by said keys for projecting saidplungers into the path of said transmitting member, a type wheel, andconnections for driving said wheel step by step from said transmittingmember, a platen for said type Wheel, a circuit closer carried by saidtransmitting member, and positioned to be actuated by said plungers whenthe same have been projected, and a circuit operating said platen andwhich is controlled by said circuit closer.

8. In an accounting machine, the combination with a key board of arotating switch device, a type Wheel, means for rotating the switchdevice and the type wheel in synchronism, means for shifting the typewheel in an axial direction after each rotation of the same, an electriccircuit, a platen for the type Wheel, means included in the electriccircuit for operating the platen, means under the control of the keyboard for operating the switch device and closing the electric circuitso as to operate the platen at any desired extent of rotation of theswitch device.

9. .In a machine of the class described, the combination with aplurality of banks of keys, of a transmitting device, circuits including connections whereby said transmitting device is cont-rolled bysaid banks successively, and a distant accounting device withconnections for actuating it in accordance with the movement of saidtransmitting device.

10. In a machine of the class described, the combination with aplurality of banks of value keys, of a movable transmitter, circuitsincluding connections whereby said transmitter is brought under controlof said banks of keys successively, distant accounting mechanism, andconnections from said transmitter to said accounting mechanism wherebythe movements of said transmitter are reproduced in said accountingmecha- IllSIIL 11. In a machine of the class described, the combinationwith banks of keys, of a movable transmitter. circuits includingconnections whereby said transmitter is brought under control of saidbanks of keys successively, a distant accounting mechanism including asingle accounting element, and means controlled by said transmitter foroperating said element.

12. In a machine of the class described, the combination with banks ofkeys, of a rotary transmitter and means for actuating it, circuitsincluding connections whereby said transmitter is brought under controlof said banks of keys successively, a distant accounting mechanism,connections from said rotary transmitter for actuating said accountingmechanism, and means for positioning the accounting mechanismdifl'ercntly as the banks of keys successively control said transmitter.

l3. In a machine of the class described, the combination with banks ofkeys, of a transmitter, and means for actuating it, circuits includingconnections whereby said transmitter is brought under control of saidbanks of keys si'iccessively, a distant accounting device comprising asingle accounting element, connections from said transmitter foractuating said accounting element, and means for shifting said elementas the transmitter is brought under the control of different banks ofkeys. I

14. In a machine of the class described, the combination with groups ofmanipulative devices, of atransmitter and means for actuating it,devices including circuit connections whereby said transmitter isbrought under control of said groups of manipulative devicessuccessively, distant accounting mechanism and connections for saidtransmitter comprising a single workingcircuit for actuating saidaccounting mechanism in accordance with the movement of saidtransmitter.

15. In a machine of the class described, the combination with banks ofkeys, of a transmitter and means for actuating it, circuit connectionsfor controlling said transmitter by said banks of keys in succession, adistant accounting device comprising a single printing element, circuitconnections from said transmitter for actuating said element inaccordance with the movements of said transmitter, and means forshifting said printing element as the control of said transmitterchanges from one to another bank of keys.

16. In a machine of the class described, the combination with atransmitting mechanism, and means for variously actuating it, of adistant accounting device comprising a printing element, circuitconnections from said transmitting mechanism for actuating the printingelement, and means for shifting the printing element to print indifferent columns.

- 17. In a nnichinc of the class described, the combination with atransmitting mechanism and means for variously actuating it,

of a distant accounting device comprising a 1 printing element, circuitsincluding connections from said transn'iitting mechanism for determiningthe movement of said printing element, and circuit connections forautomatically shifting said printing element after each actuation ofsaid transmitting mechanism.

18. In a machine of the class described, the combination with aplurality of banks of keys, and a single printing element, of

means automatically acting to cause said printing element to bepositioned variously under the control oi. said banks of keyssuccessively, with connections vtor automati- (:ally shifting saidprinting element after each positioning movei'nent thereof to an extentsuch that a succeeding positioning movement will cause said element toprint in a different column.

19. In a machine of the class described, the combination with aplurality of banks 'of depressible keys and a single printing element,of means automatically actuated to cause said printing element to bepositioned in accordance with each depressed key in succession, andmechanism acting after each positioning movement of said printingelement to shift said element laterally.

20. In a'machine of the class described, the combination with atransmitter having movable parts, and means for giving it invariableexcursions, of devices rojectable into the path of one-of said movadleparts, a circuit closed a plurality of times by excursions of saidtransmitter, a printing element driven by said circuit, and a platen fortalc ing impressions from said printing element with connectionscontrolled by said movable part for operating said platen.

21. In a machine of the class described, the combination with atransmitter having a movable part comprising a circuit closer, and meansfor giving the transmitter invariable excursions, of devices projectableinto the path of said movable part, a circuit closed by saidtransmitter, a printing element driven by said circuit, means for takingimpressions from said printing element, and circuit connectionscontrolled by said circuit closer for operating said impression takingmeans.

22. In a machine of the class described, the combination with a rotarytransmitter having a movable part comprising a circuit closer, and meansfor giving the transmitter invariable excursions, of manipulativelycontrolled devices movable into the path of said movable part atdifferent points, a distant accounting element, with circuit connectionsfor driving the same from said transmitter, a circuit completed by saidcircuit closer when said movable part engages any of the manipulativelycontrolled devices, and means operated by completion of said circuit forrecording the degree of movement then given said accounting element.

23. In a machine of the class described, the combination with atransmitter, comprising a movable part including a circuit closer, and aserrated element, of devices projectable into the path of said movablepart for obstructing the same at different points, a distant accountingmechanism, means for giving said transmitter invariable excursions, acircuit closed by the serrations of said element, and controlling themove ment of said accounting mechanism, and means caused to operate bysaid circuit closer when the movable part is obstructed for recordingthe extent of movement of said accounting mechanism.

24-. In a machine of the class described, a transi'nitter comprising a.movable part including a circuit closer, anda serrated element driventhrough said movable part, in combination with means for actuating saidtransmitter, a circuit closed by said serrations, devices forobstructing said movable part, and a circuit closed by said circuitcloser when the movable part is obstructed.

25. In a machine of the class described, the combination with a printingelement and means for difi erentially moving it from a normal zeroposition, of impressionmeans, and mechanism thrown into operation bysaid impression means for automatically restoring said printing elementfrom its differentially moved to its normal zero position.

26. In a machine of the class described, the combination with groups ofmanipulative devices, of a transmitting mechanism with connections forcontrolling said mechanism from said groups of manipulative de vicessuccessively, a single printing element- With means controlled by saidtransmitting mechanism for moving it, and mechanism for shifting saidprinting element to printin different columns and also to shift saidconnections to bring said transmitting mechanism under control of thedifferent groups of manipulative devices.

27. In a machine of the class described, the combination with groups ofmanipulative devices, of a printing device adapted to be brought undercontrol of said groups of manipulative devices successively, means fortaking impressions from said'printing device when said device has beenpositioned under control of any group of manipulative devices, and meanscontrolled by the manipulative devices of a lower order, for shiftingthe control of said printing device to a higher order group, operablewhen no manipulative device of the lower order group has been actuated.

28. In a. machine of the class described, the combination with groups ofkeys, of a transmitter controlled thereby with connections for bringingsaid transmitter under the control of said groups successively, devicescontrolled by the transmitter for shift ing the control thereof from afirst group of keys to a second group, and means disabled by operationof a key in the first group, for causing such shifting of control to asecond group When no key in said first group is depressed.

29. In a machine of the class described, the combination With a printingelement,

